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Hi HN,

I've been building CH-UI, an open-source ClickHouse workspace. Today I'm releasing v2, which is a complete rewrite from scratch.

v1 was a React SPA served via Docker. v2 is a single Go binary with an embedded Svelte frontend — download, run, open browser. No Docker, no Node, no runtime dependencies.

What it does:

- Multi-tab SQL editor with autocomplete - Database/table explorer with data preview - Saved queries - Tunnel architecture: run `ch-ui server` on one machine and `ch-ui connect` next to your ClickHouse — secure WebSocket tunnel, no VPN needed - Self-update (`ch-ui update`), OS service install (`ch-ui service install`)

Pro edition adds dashboards, scheduled jobs, AI assistant (BYO provider), governance (lineage, access matrix, policies), and alerting.

Core is Apache 2.0. Pro uses a signed license model (Ed25519).

Stack: Go 1.24, Svelte 5, SQLite (embedded state), Chi router, WebSocket tunnels.

GitHub: https://github.com/caioricciuti/ch-ui Install: `curl -fsSL https://ch-ui.com/install.sh | sh`

Happy to answer questions about the architecture, the tunnel model, or the open-core licensing approach.

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The law would have required websites to block VPN users from accessing "harmful material."

German SMBs lose 50B EUR annually to unpaid invoices. We built AI-powered dunning automation recovering 73% within 14 days. Smart scoring, auto reminders, legal orders. DSGVO-compliant.

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bbt is an open-source tool that lets you test command-line executables using plain Markdown documentation—no scripts, no glue code. Write your specs, run them as tests.

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